From de1c849ff18b41f53d003bb70bf8b1744b749af8 Mon Sep 17 00:00:00 2001
From: Ben Skeggs <bskeggs@redhat.com>
Date: Apr 23 2017 23:26:16 +0000
Subject: Default to xf86-video-modesetting on GeForce 8 and newer.


---

diff --git a/0001-xfree86-use-modesetting-driver-by-default-on-GeForce.patch b/0001-xfree86-use-modesetting-driver-by-default-on-GeForce.patch
new file mode 100644
index 0000000..1b1306e
--- /dev/null
+++ b/0001-xfree86-use-modesetting-driver-by-default-on-GeForce.patch
@@ -0,0 +1,52 @@
+From aa2f34d80ef3118eae0cce73b610c36cdcb978fe Mon Sep 17 00:00:00 2001
+From: Ben Skeggs <bskeggs@redhat.com>
+Date: Sat, 22 Apr 2017 02:26:28 +1000
+Subject: [PATCH xserver] xfree86: use modesetting driver by default on GeForce
+ 8 and newer
+
+Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
+---
+ hw/xfree86/common/xf86pciBus.c | 20 ++++++++++++++++++++
+ 1 file changed, 20 insertions(+)
+
+diff --git a/hw/xfree86/common/xf86pciBus.c b/hw/xfree86/common/xf86pciBus.c
+index 8158c2b62..78d1c947d 100644
+--- a/hw/xfree86/common/xf86pciBus.c
++++ b/hw/xfree86/common/xf86pciBus.c
+@@ -37,6 +37,7 @@
+ #include <unistd.h>
+ #include <X11/X.h>
+ #include <pciaccess.h>
++#include <xf86drm.h>
+ #include "os.h"
+ #include "Pci.h"
+ #include "xf86.h"
+@@ -1190,6 +1191,25 @@ xf86VideoPtrToDriverList(struct pci_device *dev,
+         int idx = 0;
+ 
+ #ifdef __linux__
++        char busid[32];
++        int fd;
++
++        snprintf(busid, sizeof(busid), "pci:%04x:%02x:%02x.%d",
++                 dev->domain, dev->bus, dev->dev, dev->func);
++
++	/* 'modesetting' is preferred for GeForce 8 and newer GPUs */
++        fd = drmOpenWithType("nouveau", busid, DRM_NODE_RENDER);
++        if (fd >= 0) {
++            uint64_t args[] = { 11 /* NOUVEAU_GETPARAM_CHIPSET_ID */, 0 };
++            int ret = drmCommandWriteRead(fd, 0 /* DRM_NOUVEAU_GETPARAM */,
++                                          &args, sizeof(args));
++            drmClose(fd);
++            if (ret == 0) {
++                if (args[1] == 0x050 || args[1] >= 0x80)
++                    break;
++            }
++        }
++
+         driverList[idx++] = "nouveau";
+ #endif
+         driverList[idx++] = "nv";
+-- 
+2.12.2
+
diff --git a/xorg-x11-server.spec b/xorg-x11-server.spec
index 4e7deb1..d832a66 100644
--- a/xorg-x11-server.spec
+++ b/xorg-x11-server.spec
@@ -45,7 +45,7 @@
 Summary:   X.Org X11 X server
 Name:      xorg-x11-server
 Version:   1.19.3
-Release:   3%{?gitdate:.%{gitdate}}%{dist}
+Release:   4%{?gitdate:.%{gitdate}}%{dist}
 URL:       http://www.x.org
 License:   MIT
 Group:     User Interface/X
@@ -110,6 +110,9 @@ Patch7027: xserver-autobind-hotplug.patch
 # because the display-managers are not ready yet, do not upstream
 Patch10000: 0001-Fedora-hack-Make-the-suid-root-wrapper-always-start-.patch
 
+# Default to xf86-video-modesetting on GeForce 8 and newer
+Patch10001: 0001-xfree86-use-modesetting-driver-by-default-on-GeForce.patch
+
 %global moduledir	%{_libdir}/xorg/modules
 %global drimoduledir	%{_libdir}/dri
 %global sdkdir		%{_includedir}/xorg
@@ -602,6 +605,9 @@ find %{inst_srcdir}/hw/xfree86 -name \*.c -delete
 
 
 %changelog
+* Mon Apr 24 2017 Ben Skeggs <bskeggs@redhat.com> - 1.19.3-4
+- Default to xf86-video-modesetting on GeForce 8 and newer
+
 * Fri Apr 07 2017 Adam Jackson <ajax@redhat.com> - 1.19.3-3
 - Inoculate against a versioning bug with libdrm 2.4.78